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Finding the Fourth Proportional to 263.16, 362.46 and 193.32

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Solution

The fourth proportional to 263.16, 362.46 and 193.32 is: 266.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.16 : 362.46 = 193.32 : x
  2. Step 2: Convert to fraction form
    263.16/362.46 = 193.32/x
  3. Step 3: Cross multiply
    263.16x = 362.46 × 193.32
  4. Step 4: Simplify right side
    263.16x = 70,070.77
  5. Step 5: Solve for x
    x = 70,070.77/263.16
  6. Step 6: Final answer
    x = 266.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.